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TM 10-4320-351-14
2.5 OPERATING PROCEDURES.
WARNING
Death or personal injury may result from the explosion of fuel fumes exposed to an
open flame or spark, or to static discharge. Do not permit smoking, any open
flame, or spark producing equipment within 50 feet (15 m) of the pumping
assembly. Ensure all equipments are well grounded prior to commencing any
operation or maintenance task. Always ensure the ground connection from the
aircraft is complete prior to beginning any fueling operation.
CAUTION
The fuel transfer pump may be damaged by running dry longer than two minutes.
If running of the engine is desired, uncouple the engine from the fuel transfer
pump.
CAUTION
System components are subject to damage from thermal expansion. As the
temperature increases, the pumpage in any component will expand. If trapped in a
component, the expanding pumpage may rupture seals and cause a leak or
equipment malfunction. For this reason, all system valves should remain open as
long as the system is flooded. With all valves open, the hoses will absorb the
expansion and protect system seals. If any component must be isolated, it should
be drained or defueled immediately to prevent damage.
a. Conduct a visual inspection of the pumping assembly setup to ensure the system is properly assembled and
ready to pump fuel. Verify system grounding.
b. Verify/Position fuel selector valve in ON or EXTERNAL ON position, according to desired fuel source.
c. Verify that black start control is fully lowered.
NOTE
Step d describes an electric start of the Pumping Assembly. If a manual start is to
be attempted, proceed to step e.
d. Perform normal electric engine start.
(1) Unlatch and open control box cover.
(2) At the control panel, hold the ENGINE switch in the START position until the engine starts. If engine fails to
start within 15 seconds, release switch and allow starter to cool for a minute before continuing. When the
ambient temperature is below 200 F (-7° C), position and hold INTAKE HEATER switch in the ON position
while ENGINE switch is in START position.
(3) Adjust the control panel lights to the desired brightness.
(4) Disconnect battery power cable from NATO connector 1A1J1 on engine module. Install dust caps on
NATO connector and free end of battery power cable. Stow battery power cable in accessory module.
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